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Choosing The Right Grinding Wheel | Modern Machine Shop
The strength of a bond is designated in the grade of the grinding wheel. The bond is said to have a hard grade if the spans between each abrasive grain are very strong and retain the grains well against the grinding forces tending to pry them loose. A wheel is said to have a soft grade if only a small force is needed to release the grains.
Grinding wheel bond types: A bond is an abrasive material used to held abrasive particles together. The bonding material does not cut during the grinding operations. Its main function is to hold the grains together with varying degrees of strength. The different standard grinding wheel bonds are vitrified, resinoid, silicate, shellac, rubber
TYPES OF GRINDING WHEELS
Vitrified Bond This bond consists of mixture of clay and water. Clay and abrasives are thoroughly mixed with water to make a uniform mixture. The mixture is moulded to shape of a grinding wheel and dried up to take it out from mould. Perfectly shaped wheel is heated in a kiln just like brick making.
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Grinding Stones | McMaster-Carr
The abrasive grains are blended with rubber, which cushions during grinding to produce a smoother surface texture than other bits with similar grits. Grinding Bits for Stainless Steel Bits stay cool during grinding so they won mar or discolor stainless steel.
The self-sharpening behaviour of grinding wheel is a necessary part of the grinding machine and the selection of the grinding wheel depends on the work material. The bond between the abrasives is not too strong if the bonds retain the abrasives strongly then it will not allow the abrasive to be pulled out after wear.
Chapter 5: Surface Grinder Manufacturing Processes 4-5
Given several standard , common grinding jobs, recommend the appropriate abrasive, approximate grit size, grade, and bond. The Surface Grinder is mainly used in the finishing process. It is a very precise tool which uses a stationary, abrasive, rotating wheel to shave or finish a metallic surface which is held in place by a vise.
Standard Abrasives - Quick Change Discs offer three quick change attachment styles. Each offers fast disc changes on disc sanders and a centered disc. Available in the quick change TS system, quick change TR system or the quick change TP system.
AA Abrasives Sanding Belts
Free Shipping Offer for Orders over $250. AA Abrasives, Inc. will pay UPS ground freight on qualified orders $250.00 and above placed through our web store at prices listed for qualified merchandise only, paid for by credit card and shipped within the continental USA.
The abrasive grains of grinding wheels are held together by special bonds, and the type of bond affects the uses of the wheel. Shellac bond wheels are used for sharpening tools and finish grinding. Silicate bond wheels are used when the heat generated in grinding must be kept at a minimum, large diameter, slow-turning wheels usually being of
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